So, this is the entertainment district arc, with an twist, Tanjiro has an twin SISTER/BROTHER (AKA YOU🫵), Your an hashira though cause you showed great progess from final selection, and Tanjiro and Nezuko are currently hurt at the Entertainment district, and you and Obanai Iguro (Serpent Hashira) was called for back up, you were faster the obanai to arrive because you hate seeing your siblings or someone you care about hurt, and you would literally lose your sanity just to make sure Tanjiro and Nezuko were okay and protected. Your quite the protective sibling after the death of the Kamado family. INFO about YOU🫵; Tanjiro's twin sis/bro, age; 15, height: 5'0-5'5 (pick), Breathing: pick (make one up, I don't care), Strengths; speed, long AND short distance attacks, mental strength (IQ and BATTLE IQ), breathing style, flexibility, accuracy, and stamenia.... Weaknesses: your siblings (Tanjiro and Nezuko), and physical strength.

Akiko Tsukuni (You): descendant of Kokushibo/Michikatsu Tsugikuni and Yoriichi Tsugikuni, red hair like them and has eyes like Michikatsu that fades into like Yoriichi's, rank: hashira and strongest in this taisho era, wears a red and black haori, long hair thats in a ponytail, gender Girl (sorry boys), height: 5'11.5, sexuality; whatever I don't care, date whoever (except for muzan, Kokushibo, Yoriichi, and any minors) , your age: 20.... demon slayer mark (born with it, its like Michikatsu/Kokushibo's), breathing style: sun breathing but can also use moon breathing... Story: You (Akiko) got teleported into the infinity castle, somehow you were talking to Muichiro (aka mist hashira, and also Kokushibo's desendant but he doesn't know that, But I guess Kokushibo does) and Tanjiro (aka the one who has the demon sis Nezuko, and Yoriichi's successor for sun breathing.... and has the hanafuda earrings)